Rotary circuit-breaker.



No. 690,973. Patented Ian. [4, I902.

- A. R. LUS'CHKA.

ROTARY CIRCUIT BREAKER.

Application filed Aug. 22, 1901.)

(No Model.)

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AUGUST R. LUSCHKA, OF CHICAGO, ILLINOIS, ASSIGNOR, BY MESNE ASSIGN- MENTS, TO WILLIAM SOHEIDEL, OF CHICAGO, ILLINOIS.

ROTARY CIRCUlT -BREAKER.

SPECIFICATION forming part of Letters Patent No. 690,973, dated January 14:, 1902. Application filed August 22,1901. Serial No. 72.870- (No model.)

To aZZ whom it may concern: motive current which it is desired to break or Be it known that I, AUGUST R. LUSCHKA, a control. In the present construction. one bindcitizen of Switzerland, and a resident of Chiing-post 4 will be securedto the chamber 1, so cago, in the county of Cook and State of Illias have conductive connection with the same 5 nois,have invented certainnewand usefulImand with the body of conducting fluid 2,

provements in Rotary Circuit-Breakers, of while the otherbindingpost 5 is carried in an which the following is a specification. insulated manner from such containing ves- The present invention relates to that class sel and the conducting fluid by the cover 3,

of rotary circuit-breakers in which a stream as shown. 10 of mercury or other like conducting fluid con- (i represents an annular series of spaced nected with one pole of the electromotive circontact plates or segments secured to the incuit is caused to intermittently and serially sulating-cover 3, which series of contactcontact with a series of conducting contactplates are conductively connected together, plates connected to the other pole of such elecpreferably by forming an integral portion of I5 tromotive circuit, and more especially to that an annular ring 7, which in turn is in conductparticular type of circuit-breakers in which ive connection with the binding-post 5. the series of contact-plates are arranged in 8 is a vertical step-bearing secured censtationaryand concentric relation toarevolvtrally in the cover 3 and. adapted to support ing turbine which is adapted to discharge a the vertically-arranged shaft 9, which ex- 2o radial stream of the conducting fluid against tends -from the exterior of the apparatus to such series of contact-plates. the interior thereof and is provided with a The object of the present improvement is driving-pulley 10 or other usual means by to provide asimple and efficient construction which positive rotation is imparted to such and arrangement of parts with which the shaft in a rapid and positive manner. 25 movement of the conducting fluid is effected 11 is a centrifugal jet-producing head se in a certain, simple, and positive manner and cured to the vertical shaft 9 and adapted to the same discharged in a constant and even rotate therewith. Such jet-head will in the stream against the series of contact-plates, all present invention consist of a closed horizonas will hereinafter more fully appear, and be tal top or head 12 and a circular inclined an- 30 more particularly pointed out in the claims. nular wall or pendent skirt 13, which ends I attain such objects by the construction and at the bottom in acentral inlet orifice or openarrangement of partsillustrated in the accoming 14:. Such jet-head is also provided with panying drawings, in whicha discharge opening or orifice 15, located at Figure 1 is a central sectional elevation of one side, immediately adjacent to the inter- 35 a rotary circuit-breaker embodying the pressection of the horizontal top 12 and the an ent invention; Fig. 2, a horizontal section of nular inclined wall 13.

the same at line A B, Fig. l. 16 represents a series of fixed blades se- Similar numerals of referenceiudicate like cured within the containing casing 1 and parts in both views of the drawings. adapted to prevent a circular movement of 0 40 Referring to the drawings, 1 represents the the mercury or other fluid conductor during containing vessel or chamber,which is formed the operation of the apparatus. of conductive material, usually iron, and is In the operation of the apparatus the rapid adapted to contain a fiuid body 2 of mercury rotation of the jet-head ll will through cenor other equivalent conducting fluid. trifugal agency cause the mercury to ascend 45 3 is a cover of non-conducting material, the interior ofthe jet-head,alongthe inclined usually hard rubber, secured to the open top circular wall of the same, to be forcibly disof the containing vessel 1 and forming a clocharged in a constant stream through the jetsure therefor. opening in a substantially horizontal direc- 4. and 5 are the binding-posts by which the tion. Such jet will successively contact with 50 present circuit breaking or controlling appathe series of spaced contact-plates 6 to with ratus is connected in circuit with the electroeach contact reestablish the electric circuit fluid, a cover of insulating material secured through the apparatus, which had been previously broken by the passage of the jet past the space left between the respective contactplates 6.

5 The usual filling of non-conducting fluid tion, what I claim as new, and desire to secure by Letters Patent, is-

1. In a rotary circuit-breaker, the combination of a vessel containing a conducting fluid, a centrifugal jet-head dipping into the conducting fluid and formed With a closed top, an annular wall having an inverted-cone shape truncated to form a central inlet at bottom, and a discharge-orifice formed at the point of intersection of said top and the conical Wall, and a series of spaced conductingsegments arranged concentrically around the jet-head and in line with the discharge-opening of said head, substantially as set forth.

nation of a vessel containing a conducting fluid, a centrifugal jet-head dipping into the conducting fluid and formed with a closed top, an annular Wall having an inverted-cone shape truncated to form a central inlet at bottom, and a discharge-orifice formed at the intersection of said top and the conical Wall, and a series of spaced cond acting-segments forming integral parts of a circular ring, arranged concentrically around the jet-head, the said contact-segments being in line with the discharge-opening of the jet-head, substantially as set forth.

3. In a rotary circuit-breaker, the combination of a vessel containing a conducting Having thus fully described my said inven-- 2. In a rotary circuit-breaker, the combi-' to the top of the same, a vertical shaft journaled in said cover, a centrifugal jet-head carried by said shaft and dipping into the conducting fluid, said jet-head being formed with a closed top, an annular Wall having an inverted-cone shape truncated-to form a central inlet at bottom, and a discharge-orifice formed at the intersection of said top and inclined Wall, and a series of spaced conductin g-segmen ts forming integral parts of a circular ring attached to the insulating-cover and arranged concentrically to the jet-head, the said contact-segments being in line with the discharge-opening of the jet-head, substantially as set forth.

4:. In a rotary circuit-breaker, the combination of a vessel containing a conducting fluid, a cover of insulating material secured to the top of the same, a vertical shaft journaled in said cover, a centrifugal jet-head carried by said shaft and dipping into the conducting fluid, said jet-head being formed with a closed top, an annular wall having an inverted-cone shape truncated to form a central inlet at bottom, and a discharge-orifice formed at the intersection of said top and the conical Wall, a series of spaced conductingsegments forming integral parts of a circular ring attached to the insulating-cover and arranged concentrically to the jet-head, and a series of stationary blades secured in the bottom of the containing-chamber and adapted to prevent a circular movement of the conducting fluid, substantially as set forth.

Signed at Chicago, Illinois, this 20th day of August, 1901.

AUGUST R. LUSOI-IKA.

WVitnesses:

ROBERT BURNS, HENRY A. NOTT. 

